1. Lesson 1.2.1 – Adding and Subtracting Polynomials
Pages in Text
Any Relevant Graphics or Videos

2. By the end of this lesson, I will be able to answer the following questions…
1. How can a variable and its power be used to determine which terms are like terms? 2. How to I add and subtract polynomials? 3. How can I apply polynomial operations to problems involving geometry (perimeter)?

3. Vocabulary
Monomial: an expression with one term consisting of a number, a variable or a product of which.
Polynomial: a monomial or sum of monomials that contains variables, numeric quantities or both.
Term: Each “part” of a polynomial.
Like Terms: Terms that contain the same variable raised to the same power.
Distributive Property

4. Prerequisite Skills with Practice
Evaluate the following Use the distributive property to rewrite in standard form

5. Example one
Find the sum of:
GeoGebra Example One
Example two
Example three
Find the difference of:
GeoGebra Example Three

6. Example four
Find the perimeter of the
figures to the right.